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Phys.org / Hunting the elusive Eta Aquariid meteors
Early May is a good time to watch for a powerful yet often elusive meteor shower, the annual Eta Aquariids. They're a prolific, yet often elusive for northern hemisphere observers. If skies are clear, watch for a strong annual ...
Medical Xpress / Excessive cholesterol in astrocytes linked to cognitive decline in Alzheimer's mice
Alzheimer's disease (AD) is a neurodegenerative disorder that leads to progressive memory loss and a decline in mental functions. Several past studies have linked this disease to the accumulation of the protein amyloid-β ...
Medical Xpress / Severe narcolepsy found to damage a second brain region
For nearly 25 years, scientists believed they knew what caused the most severe form of narcolepsy. A new UCLA Health study now suggests they were only half correct. In a study published in Nature Communications, UCLA Health ...
Phys.org / Snow cover on Greek mountains has more than halved in four decades, study finds
Snow cover in the mountains of Greece—an important water source for communities, agriculture and natural ecosystems during the dry summer months—has more than halved over the past four decades, a study has found.
Phys.org / Captured mid-reaction, RNA polymerase reveals universal blueprint for gene transcription
The enzyme RNA polymerase (RNAP) carries out transcription, copying DNA into RNA. It's the first step in gene expression, and a process fundamental to all life. But the inner workings of this essential enzyme have long baffled ...
Medical Xpress / Silencing stress signals could pave the way to a longer life
Silencing a major cellular stress signal could be the key to a longer life, according to new University of Sheffield research. While previous studies suggested that mild stress might help organisms live longer, new research ...
Medical Xpress / High-intensity exercise after breast cancer surgery may help speed recovery
After breast cancer surgery, many women are told to limit how much—and how soon—they exercise.
Phys.org / Dolls beat screens for building children's social skills, study finds
What's the point of play? Is it simply a way to keep children occupied, or something more? For some, it's about learning literacy and numeracy. For others, it's how friendships form and relationships deepen. But it can be ...
Phys.org / Hidden 3D atomic structure of relaxor ferroelectrics revealed for first time
Materials called relaxor ferroelectrics have been used for decades in technologies like ultrasounds, microphones, and sonar systems. Their unique properties come from their atomic structure, but that structure has stubbornly ...
Phys.org / Can warning videos blunt misinformation? What a 12-country test found
The internet and social media platforms have given rise to a rising wave of misinformation, with many users now posting fake news, AI-generated photos or videos and other types of misleading content online. Over the past ...
Science X / They won't just follow orders: Robot swarms could gain a startling new kind of autonomy
Robot swarms are systems composed of many simple robots that coordinate without central control. Soon, they could be radically transformed by artificial intelligence. A new article published in Science Robotics by researchers ...
Phys.org / 'A study showed…' isn't enough—scientific knowledge builds incrementally as researchers revisit questions
Your goofy but lovable cousin just told you that you should stop eating eggs because he read somewhere that a study showed they are bad for you. How much should you trust your relative on such matters? More importantly, how ...
